Governor for hydrocarbon-burners



(No Model.)

J. O. SHEA.

GOVERNOR FOR HYDROOARBON BURNERS.

No. 461,053. Patented Oct. 13,1891.

7; .Q /vo T 4 77777 %S a 2 9mm: (3W,

UNITED STATES PATENT OFFICE.

JOHN C. SHEA OF NORFOLK, CONNECTICUT.

GOVERNOR FOR HYDROCARBON-BURNERS.

SPECIFICATION forming part of Letters Patent No. 461,053, dated October 13, 1891.

Application filed April 24, 1890. Serial No. 349,288- (No model.)

such fluids are used in furnaces or forges or for like heating purposes.

The object of niyinvention is to provide an apparatus by means of which the flow of oil to the burner may be exactly regulated automatically in such manner as to dispense with the necessity that exists in old devices for the constant, attendance upon the apparatus while the oil is being consumed.

My invention consists in the combination, with the hydrocarbon-burner, of an automatic draft and feed regulating device; and it further consists in details of the several parts making up the apparatus as a whole and in their combination, as more particularly hereinafter described, and pointed out in the claims.

Referring to the drawings, Figure l is a detail view, in side elevation, of an apparatus embodying my invention, with parts broken away to show construction. Fig. 2 is a detail view, on enlarged scale, in vertical section through the burner.

In the accompanying drawings my invention is shown as embodied in a comparatively cheap and simple form of apparatus adapted for use in connection with a burner in common use in the art; but it is not limited to the special and detailed arrangement or form of the several parts, as it is applicable in various forms, the essential feature being the regulation of the oil-flow by the blast or forced draft, whether the latterbe of air or steam or both, that enters the combustion-chamber.

In the drawings, the letter (t denotes a furnace fitted with a hydrocarbon-burner b, the supply 0 entering through the wall of the easing 0, that incloses the burner. vii/hill this casing the supply -pipe extends into the open end of a tubular combustion-chamber (Z, and

within it terminates in a spraying device or other nozzle or tip 6. In the operation of the device the oil is mixed with a quantity of air driven into the combustion-chamber by a forced draft. The air-inlet is supplied with a sliding dam perf, and the flow of oil through the supply-pipes c is controlled by a cook or valve g, arranged at a convenient pointin the pipe. The casing is connected with the furnace, into which the flame from the nozzle end of the burner is driven. Oil is supplied from the reservoir from which the supply-pipe leads, and a fan or like draft-producing device is used for forcing the air into the combustion-chamber.

The apparatus thus far described is of ordinary and well-known construction; but its use is attended with many diiiiculties and objections. If the supply of air is not suiiicient, the combustion of the oil is imperfect and volumes of smoke are created, while an oversupply of oil causes a flame that sometimes envelops the whole device and rushes out through openings and joints in the furnace or connecting parts. The result is that constant care and watchfulness are required, and the time of an attendant is consumed in this. In order to obviate all such objections and make the apparatus entirely automatic the draft-pipe h is provided with a valve h, preferably a swinging valve, pivoted at h", and with an arm 72. extending through the wall of the pipe. To the outside of the casing is secured means for operating the damper f, and one form of means to this end consists of the toggle-levers t' i, one of which is connected to the outer end of the arm or bracket z'", that is fast to the casing, and the other is pivoted to a rod that is connected to the damper. The arm 763 is connected to the damper-lever by means of a 1'Od]1'-,tl1@ clamping means Z being preferably such as to allow the point of attach mentto be changed, so that the length of rod 79 between the toggle-levers'i'i' and the arm 7L may be adjusted. The rod 7t is also connected to the lever or handle of the stopcock g in the supply-pipe c: The arm 7L3 is provided with a counterpoise-weight It, so that the air-supply may be graduated by moving the weightin or out along the leverarm.

The object of connecting the air-valve h IOC with the damper-operating levers is to enable the latter to be closed in proportion as the draft becomes stronger through the air-pipes. If the blast of air is suddenly increased, the effect of this is prevented from being thrown directly into the combustion-chamber by the closing action of the damperf.

The method of operation of this governor is as follows: The air driven in through the draft-pipe h causes the valve to open, and this opening movement of the valve by means of the connecting-rod, operates also the damper f, and at the same time opensrthe cock g to enable a supply of oil to flow into the burner. The parts are operated by hand and the burner lighted, and as soon as this is done the parts are so adjusted that the supply of air is just sufficient in relation to the supply of oil to maintain a perfect combustion of the oil.

YVhen this governor is in operation, in case the supply of air decreases the valve closes in part, and this tends to decrease the oil-supply, and it for any reason there is a sudden stopping of the flow of air the oil-supply will be completely shut 011". In no case can a surplusor oversupply of oil flow to the burner burner, an oil-supply pipe having a cock, a'

draft-pipe having a damper and an air-valve, the air-valve having an arm outside of the draft-pipe, the damper connected to the damperoperating levers, the damper-operating levers, and the connecting-rod extending between the arm of the air-valve, the damperlevers, and the handle of the oil-c0ck, all substantially as described.

, JOHN C. SHEA. Witnesses: 1

CHAS. L. BURDETI, A. B. JENKINS. 

